We sometimes have "range anxiety" that is overly worrying about running out of battery. One way I overcome this worry is to track and monitor battery usage in a variety of driving situations.
In the main screen swipe to the left (touch and move your finger left):
The screen changes to show the range for the current trip, in this case 3.8 miles/kWh. This trip was a short drive to the grocery store over local streets and about a mile of freeway:
This is not bad! If this energy consumption continued for the entire battery charge which started at 80% and then re-charged at 20% the the total range would be:
82 kWh * (0.8 - 0.2) * 3.8 = 187 miles (with 62 miles remaining when arriving at charge station)
Starting at 80% and charging at 20% is a reasonably conservative plan.
Total range for a full charge down to 20% would be:
82 kWh * (1.0 - 0.8) * 3.8 miles/kWh = 249 miles!!
I assume this is how the advertised 245 mile range for the AWD version was calculated?
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